【Yingli-KY】The Company's Shareholding in Important Subsidiary Changchun Yingli Auto Parts Co., Ltd. Has Decreased by Over 10% Cumulatively Within Three Years

1. Name of Important Subsidiary, Subsidiary Deemed as a Public Company under Article 7, Paragraph 3, or Subsidiary Intending to Apply for Listing on an Overseas Securities Market: Changchun Yingli Auto Parts Co., Ltd. 2. Reason for Occurrence (Decrease in Shareholding (or Capital Contribution) Ratio or Loss of Control): Decrease in shareholding ratio 3. Method of Decreasing Shareholding (or Capital Contribution) Ratio (Please list the date, reason, method, decreased shareholding ratio, transaction volume, price per unit, and total transaction amount for each occurrence): (1) Date of Occurrence: 2023/12/14 Reason for Occurrence: Changchun Yingli Auto Parts Co., Ltd. issued A-shares to specific parties Method of Occurrence: Cash capital increase Decreased Shareholding Ratio: 5.01% Transaction Volume: 91,532,828 common shares Price per Unit: RMB 5.33 per share Total Transaction Amount: RMB 487,869,973.24 (2) Date of Occurrence: 2025/06/25 Reason for Occurrence: Board resolution to dispose of shares of Changchun Yingli Auto Parts Co., Ltd. Method of Occurrence: Trading on the Shanghai Stock Exchange Decreased Shareholding Ratio: 3% Transaction Volume: 47,573,558 shares Price per Unit: Average RMB 4.06 per share Total Transaction Amount: RMB 192,989,025 (3) Date of Occurrence: 2026/04/08 Reason for Occurrence: Board resolution to dispose of shares of Changchun Yingli Auto Parts Co., Ltd. Method of Occurrence: Trading on the Shanghai Stock Exchange Decreased Shareholding Ratio: Estimated 3% Transaction Volume: Not exceeding 47,573,578 shares Price per Unit: Based on actual transaction price Total Transaction Amount: Based on actual transaction price 4. Method of Losing Control (Please list the date, reason, and method of occurrence): Not applicable 5. Transferee of Equity (or Capital Contribution) or Specific Counterparties (Please list the counterparty for each transaction): (1) Issuance Counterparties: All subscribers are qualified inquiry counterparties in accordance with the regulations of the China Securities Regulatory Commission. (2) Trading Counterparties: Qualified natural persons, legal entities, and other investors in accordance with the regulations of the China Securities Regulatory Commission (excluding those prohibited by national laws and regulations). (3) Trading Counterparties: Qualified natural persons, legal entities, and other investors in accordance with the regulations of the China Securities Regulatory Commission (excluding those prohibited by national laws and regulations). 6. Relationship with the Counterparties (Please list the relationship between each counterparty and the Company): (1) None. (2) None. (3) None. 7. Disposal Profit (or Loss) (Please list the disposal profit or loss for each occurrence) (If no disposal profit or loss, please state not applicable): (1) Not applicable (2) Changchun Yingli Auto Parts Co., Ltd. is a subsidiary of the Company. In accordance with International Financial Reporting Standards (IFRS), the difference between the disposal price and the book value will be recognized as capital reserves and will not be included in profit or loss. (3) Changchun Yingli Auto Parts Co., Ltd. is a subsidiary of the Company. In accordance with International Financial Reporting Standards (IFRS), the difference between the disposal price and the book value will be recognized as capital reserves and will not be included in profit or loss. 8. Cumulative decreased shareholding ratio in important subsidiaries, subsidiaries deemed as public companies under Article 7, Paragraph 3, or subsidiaries intending to apply for listing on an overseas securities market to date (including this transaction): 11.01% 9. Shareholding ratio in important subsidiaries, subsidiaries deemed as public companies under Article 7, Paragraph 3, or subsidiaries intending to apply for listing on an overseas securities market to date (including this transaction): 75.90% 10. Name of Independent Expert and their Opinion on the Reasonableness of Past Prices: Accountant Luo Wen-Xin of Jianzhi United CPA Firm / Past prices are considered reasonable. 11. Name of Independent Expert and their Opinion on the Impact of Decreased Shareholding or Loss of Control on the Shareholders' Equity of the Public Company: Accountant Luo Wen-Xin of Jianzhi United CPA Firm / The impact on shareholders' equity is limited. 12. Does it affect the parent company's continued listing: No 13. Audit Committee Resolution Date: 2026/04/08 14. Audit Committee Resolution Content: Approved 15. Board Resolution Date: 2026/04/08 16. Board Resolution Content: Approved 17. Other Explanations: None